Kingspan heating (or lack of) issue

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Thanks all. Curiouser and curiouser !


I’ll do the TRV checks, and make sure the LS valves are open,  thanks Jeremy. 


I did have a thought. Where terminal 3 was broken within the heat pump, and I’ve put a connector block between what went in the two sides - You mentioned that #3 is internally linked to #13. Will I need to recreate that link as I have effectively taken the terminal block out of the loop for that terminal (#3)


Thanks again,




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I'm not sure.  The link is on the circuit board, I suspect, so there may be a chance that it's been disturbed.  If you have a multimeter, then you can easily check (with the power off) for continuity between terminals 3 and 13.

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